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facebook/
seamless-m4t-medium

Name: seamless-m4t-medium
Availability: InStock

seamless_communication

automatic-speech-recognition

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SeamlessM4T Medium

SeamlessM4T is a collection of models designed to provide high quality translation, allowing people from different linguistic communities to communicate effortlessly through speech and text.

SeamlessM4T covers:

📥 101 languages for speech input
⌨️ 96 Languages for text input/output
🗣️ 35 languages for speech output.

🌟 SeamlessM4T v2, an improved version of this version with a novel architecture, has been released here.

This new model improves over SeamlessM4T v1 in quality as well as inference speed in speech generation tasks.

SeamlessM4T v2 is also supported by 🤗 Transformers, more on it in the model card of this new version or directly in 🤗 Transformers docs.

This is the "medium" variant of SeamlessM4T, which enables multiple tasks without relying on multiple separate models:

Speech-to-speech translation (S2ST)
Speech-to-text translation (S2TT)
Text-to-speech translation (T2ST)
Text-to-text translation (T2TT)
Automatic speech recognition (ASR)

SeamlessM4T models

Model Name	#params	checkpoint	metrics
SeamlessM4T-Large v2	2.3B	checkpoint	metrics
SeamlessM4T-Large (v1)	2.3B	checkpoint	metrics
SeamlessM4T-Medium (v1)	1.2B	checkpoint	metrics

We provide extensive evaluation results of SeamlessM4T models in the SeamlessM4T and Seamless papers (as averages) in the metrics files above.

🤗 Transformers Usage

First, load the processor and a checkpoint of the model:

python

import torchaudio
from transformers import AutoProcessor, SeamlessM4TModel
processor = AutoProcessor.from_pretrained("facebook/hf-seamless-m4t-medium")
model = SeamlessM4TModel.from_pretrained("facebook/hf-seamless-m4t-medium")

You can seamlessly use this model on text or on audio, to generated either translated text or translated audio.

Here is how to use the processor to process text and audio:

python

# Read an audio file and resample to 16kHz:
audio, orig_freq =  torchaudio.load("https://www2.cs.uic.edu/~i101/SoundFiles/preamble10.wav")
audio =  torchaudio.functional.resample(audio, orig_freq=orig_freq, new_freq=16_000) # must be a 16 kHz waveform array
audio_inputs = processor(audios=audio, return_tensors="pt")

# Process some input text as well:
text_inputs = processor(text = "Hello, my dog is cute", src_lang="eng", return_tensors="pt")

Speech

Generate speech in Russian from either text (T2ST) or speech input (S2ST):

python

audio_array_from_text = model.generate(**text_inputs, tgt_lang="rus")[0].cpu().numpy().squeeze()
audio_array_from_audio = model.generate(**audio_inputs, tgt_lang="rus")[0].cpu().numpy().squeeze()

Text

Similarly, you can generate translated text from audio files (S2TT) or from text (T2TT, conventionally MT) with the same model. You only have to pass generate_speech=False to SeamlessM4TModel.generate.

python

# from audio
output_tokens = model.generate(**audio_inputs, tgt_lang="fra", generate_speech=False)
translated_text_from_audio = processor.decode(output_tokens[0].tolist()[0], skip_special_tokens=True)

# from text
output_tokens = model.generate(**text_inputs, tgt_lang="fra", generate_speech=False)
translated_text_from_text = processor.decode(output_tokens[0].tolist()[0], skip_special_tokens=True)

Seamless_communication

You can also use the seamlessM4T models using the seamless_communication library

with either CLI:

m4t_predict <path_to_input_audio> --task s2st --tgt_lang <tgt_lang> --output_path <path_to_save_audio> --model_name seamlessM4T_medium

or a Translator API:

import torch
from seamless_communication.inference import Translator

# Initialize a Translator object with a multitask model, vocoder on the GPU.
translator = Translator("seamlessM4T_medium", "vocoder_36langs", torch.device("cuda:0"), torch.float16)
text_output, speech_output = translator.predict(
    input=<path_to_input_audio>,
    task_str="S2ST",
    tgt_lang=<tgt_lang>,
    text_generation_opts=text_generation_opts,
    unit_generation_opts=unit_generation_opts
)

Citation

If you plan to use SeamlessM4T in your work or any models/datasets/artifacts published in SeamlessM4T, please cite:

bibtex

@article{seamlessm4t2023,
  title={"SeamlessM4T—Massively Multilingual \& Multimodal Machine Translation"},
  author={{Seamless Communication}, Lo\"{i}c Barrault, Yu-An Chung, Mariano Cora Meglioli, David Dale, Ning Dong, Paul-Ambroise Duquenne, Hady Elsahar, Hongyu Gong, Kevin Heffernan, John Hoffman, Christopher Klaiber, Pengwei Li, Daniel Licht, Jean Maillard, Alice Rakotoarison, Kaushik Ram Sadagopan, Guillaume Wenzek, Ethan Ye,  Bapi Akula, Peng-Jen Chen, Naji El Hachem, Brian Ellis, Gabriel Mejia Gonzalez, Justin Haaheim, Prangthip Hansanti, Russ Howes, Bernie Huang, Min-Jae Hwang, Hirofumi Inaguma, Somya Jain, Elahe Kalbassi, Amanda Kallet, Ilia Kulikov, Janice Lam, Daniel Li, Xutai Ma, Ruslan Mavlyutov, Benjamin Peloquin, Mohamed Ramadan, Abinesh Ramakrishnan, Anna Sun, Kevin Tran, Tuan Tran, Igor Tufanov, Vish Vogeti, Carleigh Wood, Yilin Yang, Bokai Yu, Pierre Andrews, Can Balioglu, Marta R. Costa-juss\`{a} \footnotemark[3], Onur \,{C}elebi,Maha Elbayad,Cynthia Gao, Francisco Guzm\'an, Justine Kao, Ann Lee, Alexandre Mourachko, Juan Pino, Sravya Popuri, Christophe Ropers, Safiyyah Saleem, Holger Schwenk, Paden Tomasello, Changhan Wang, Jeff Wang, Skyler Wang},
  journal={ArXiv},
  year={2023}
}

License

The Seamless Communication code and weights are CC-BY-NC 4.0 licensed.

facebook/seamless-m4t-medium

SeamlessM4T Medium

SeamlessM4T models

🤗 Transformers Usage

Speech

Text

Seamless_communication

Citation

License

facebook/
seamless-m4t-medium